Merge pull request #3027 from Yawning/fix/build-constraints

core: Fixed build constraints

core/fmt/fmt_os.odin

@@ -1,4 +1,5 @@
-//+build !freestanding !js
+//+build !freestanding
+//+build !js
 package fmt
 
 import "core:runtime"

core/runtime/os_specific_any.odin

@@ -1,4 +1,8 @@
-//+build !freestanding !wasi !windows !js !darwin
+//+build !darwin
+//+build !freestanding
+//+build !js
+//+build !wasi
+//+build !windows
 package runtime
 
 import "core:os"